Royal PLANTAGENET House

The House of Plantagenetwas aroyal housewhich originated from the lands ofAnjouin France. The name Plantagenet is used by modern historians to identify four distinct royal houses – theAngevinswho were also Counts of Anjou, the main body of the Plantagenets following the loss of Anjou, and the houses ofLancasterandYork, the Plantagenets' twocadet branches. The family held theEnglish thronefrom 1154, with the accession ofHenry II, until 1485, whenRichard IIIdied.

Under the Plantagenets, England was transformed, although this was only partly intentional. The Plantagenet kings were often forced to negotiate compromises such as Magna Carta. These constrained royal power in return for financial and military support. The king was no longer just the most powerful man in the nation, holding the prerogative of judgement, feudal tribute and warfare. He now had defined duties to the realm, underpinned by a sophisticated justice system. A distinct national identity was shaped by conflict with the French, Scots, Welsh and Irish, and the establishment of English as the primary language.

In the 15th century, the Plantagenets were defeated in the Hundred Years' War and beset with social, political and economic problems. Popular revolts were commonplace, triggered by the denial of numerous freedoms. English nobles raised private armies, engaged in private feuds and openly defied Henry VI.

The rivalry between the House of Plantagenet's two cadet branches of York and Lancaster brought about the Wars of the Roses, a decades-long fight for the English succession, culminating in the Battle of Bosworth Field in 1485, when the reign of the Plantagenets and the English Middle Ages both met their end with the death of King Richard III. Henry VII, of Lancastrian descent, became king of England; two years later, he married Elizabeth of York, thus ending the Wars of the Roses, and giving rise to the Tudor dynasty. ﻿﻿

Based on data collected by Dr Turi King and team, a Non-Paternal-Event (NPE) has occurred somewhere between King Richard III's (1452-1485) lineage and King Edward III's (1312 - 1377) lineage, as the YDNA does not match. King Richard III's SNP Haplogroup signature is G-P287.

This article by DNAeXplained provides some more detail re the issues surrounding the conundrum of where is the NPE.

Now the plot thickened, as there is a possibility of another NPE in the line between the Dukes of Beaufort and King Edward III - and accordingly Dr Turi King is looking for a tiebreaker, so that she can triangulate and obtain what is the true Plantagenet YDNA SNP signature.

The DNA results for the Royal Plantagenets (assuming it is a subclade of R-U152) can be seen on Alex Williamson's Ytree, an extract can be seen below:﻿

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